Window-screen.



J.E.H.OANNO N.

WINDOW SCREEN.

APPLICATION FILED MAY 31, 1910.

998,464. Patented July 18, 1911.

Jill TH: Cannqw Swuwvhoz JESSE E. H. CANNON, OF AMERICUS, GEORGIA.

WINDOW-SCREEN.

998, lti9d.

Specification of Letters Patent.

Patented July 18, 1911.

Application filed. May 31, 1910. Serial No. 564,170.

To all whom it may concern:

Be it known that I, Jnssn E. H. CANNON, a citizen of the United States,residing at Americus, in the county of Sumter and State of Georgia, haveinvented a new and useful l Vindow-Screen, of which the following is aspecification.

, The invention relates to improvements in window screens.

The object of the present invention is to improve the construction ofwindow screens, and to provide a simple and comparatively inexpensivewindow screen, equipped with a yieldable extension section, adapted toenable a window screen to be readily applied to a window andautomatically adjust itself to the same and frictionally engage thesides thereof, whereby the screen when raised will remain in itsadjusted position.

A. further object of the invention is to enable the yieldable extensionsection to be readily made rigid with the screen, and to provide simpleand eflicient means for increasing the width of the latter when desired.

With these and other objects in view, the invention consists in theconstruction and novel combination of parts hereinafter fully described,illustrated in the accompanying drawing, and pointed out in the claimhereto appended; it being understood that various changes in the form,proportion, size and minor details of construction, within the scope ofthe claim, may be resorted to without departing from the spirit orsacrificing any of the advantages of the invention.

In the drawing :-Figure 1 is an elevation, partly in section, of awindow screen, constructed in accordance with this invention and shownapplied to a window. Fig. 2 is an enlarged horizontal sectional View ofone side of the window screen. Fig. 3 is a similar view of the oppositeside of the window screen. Fig. 1 is a detail view of the gage.

Like numerals of reference designate corresponding parts in all thefigures of the drawing.

1 designates a rectangular window screen having a wooden frame composedof rigidly connected top, bottom and side bars and supporting wire gauze2, which is secured to the screen frame in the usual manner. The siderail or bar 3 of the frame of the screen is provided with a verticalrabbet or recess 4. extending partially through the side bar from oneside of the screen to receive a vertical flange or portion 5 of anextension section 6, which is provided with a similar longitudinalrabbet or recess 7 extending partially through the strip from theopposite side of the screen. The rabbeted or recessed portions of theside 3 of the screen frame and the extension section 6 are overlappedand form a slidable joint of uniform thickness. The recessed or cut-awayportions of the side 3 and the extension strip 6 are covered by sideplates 8 and 9, constructed of sheet metal and secured, respectively, tothe opposite faces of the side 3 and to the extension section 6, asclearly shown in Fig. 2 of the drawing. The extension section 6 isyieldably forced outward by means of a plurality of coiled springs 10,disposed horizontally and interposed between the side 3 of the screenframe and the extension section 6. The ends of the horizontal coiledsprings are fitted in sockets 11 and 12 of the side 3 and the extensionsection 6, which is limited in its outward movement by a plurality ofscrews 13, extending through the side 3 of the screen frame, and havingtheir threaded portions embedded in the extension section 6. The headsof the screws are arranged in recesses or sockets 14, and the screws areadapted to be turned up sufliciently to draw the extension section intocontact with the side 3 of the screen frame to form a rigid screen whendesired. The sockets 11 are of such a depth that when the screws 13 areturned to draw the extension strip tightly against the recessed side barof the frame, the springs will fit within the sockets without unduecompression and permit the bar and strip to come together. This wouldnot be the case were the springs mounted on the screws. Moreover, thesockets 14: which receive the heads of the screws are open at theirouter ends so that a screw driver may be readily inserted to adjust thescreen while it is in place. This is a very desirable feature. Thescrews are arranged in spaced relation with the springs, and any numberof springs and screws may be employed. The yieldable spring actuatedextension section enables a window screen to be readily sprung into awindow, and the screen will automatically adjust itself to the windowframe when either or both sides of the same are out of plumb, and thesides of the screen firmly engage the side portions of the window framewith sufficient force to support the screen in an elevated position whenthe same is raised. It is not necessary to hold the screen by hand orequip it with fastening means for supporting the screen in an elevatedposition.

The extension section is provided with a longitudinal groove 15, and theside rail or bar 16 at the opposite side of the window screen isprovided with a similar longitudinal groove 17 Should it be desired toincrease the width of the screen, one or more tongue and groove strips18 may be employed. Each strip 18 is provided at the inner side with alongitudinal tongue 19, and at the outer side with a longitudinal groove20. The tongue of the strip 18 is adapted to fit either in the groove 17of the adjacent side of the screen frame, or in the Y groove of asimilar strip 18. These strips 18 are adapted to be secured to thescreen frame and to each other by glue, nails, or other fastening means.

' Guides for the window screen may be easily and economically providedby driving staples 21 into the opposite sides of the window frame 22.The staples project slightly from the window frame and engage thelongitudinal grooves at opposite sides of the window screen. Thesestaples may be conveniently alined by means of a gage 23, correspondingin width with the frame of the screen and provided with a longitudinalslot 2%, which also corresponds with the grooves of the screen. The slot2-1 extends inwardly from one end of the gage and it terminates short ofthe other end, which forms a convenient handle. The gage is adapted tobe fitted against the sash and moved along the side of the Window frame,and the staples driven through the slot 24 will be properly alined andwill project the desired distance, the thickness of the gage preferablycorresponding to the length of the projecting portion of the staples.

Having thus fully described my invention,

what I claim as new and desire to secure by Letters Patent, is

A window screen comprising a. frame composed of rigidly connect-ed top,bottom and side bars and the wire gauze connected to the frame, one ofthe side bars of the frame being provided with a vertical recessextending from the top to the bottom of the frame and partially throughthe latter from one side of the screen, an extension strip provided inits side face with a corresponding vertical recess extending partiallythrough the strip from the other side of the screen whereby overlappingflanges are provided between the frame and strip, thin parallel sideplates located at the opposite faces of the screen and securedrespectively to the recessed side bar and to the exten sion strip, andcovering the said recesses, alined sockets provided in the recessed sidebar and the said extension strip, coiled springs fitted at their ends insaid sockets and extending across the space between the said recessedside bar and the said extension strip, and screws passing looselythrough the recessed side bar and having their threaded ends embedded inthe extension strip, sockets being provided in said side bar with theirouter ends open, said sockets receiving the heads of the screws andpermitting their operation from the inside of the side bar, whereby thescrews may be adjusted to draw the extension strip inwardly into closecontact with the side bar to form a rigid screen, the sockets for thesprings being of a depth to entirely receive the springs when the screenis so adjusted. In testimony, that I claim the foregoing as my own, Ihave hereto aflixed my signature in the presence of two witnesses.

JESSE E. H. CANNON. Vitnesses P. H. lVILLIAMS, J. S. MoGoswL.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents, Washington, D. G."

